Flytec Connect GPS Variometer A Smart vario for Paragliding, Hang Gliding & PPG | eBay
Alti-Vario-GPS - Instruments - Flybubble
Vario / GPS bracket, Para Supply
Flytec 6030 | FlyLife Paragliding
E-paper gps variometer tracker (arduino compatible) for paragliding and gliding – E-paper instruments for paragliding and free flying that you can code yourself